Stock Repurchase Program - Stock Repurchase Activities (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2015		Jan. 31, 2014
Stock Repurchase Program
Shares repurchased	3,290		1,422
Average purchase price	$ 43.77		$ 38.50
Payments for Repurchase of Common Stock	$ 144,000	[1]	$ 54,747
Reissuance of treasury stock	782		1,309

[1] Does not include $36.0 million equity forward contract related to the above-referenced 2015 ASR.